– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Fri 02 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Fri 02 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 02 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 37mm), heaviest during Sat morning. Mild temperatures (max 9°C on Fri night, min 2°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 11mm) on Mon morning. Becoming colder with heavy fall of snow, heaviest during Tue afternoon. Freeze-thaw conditions (max 2°C on Mon morning, min -1°C on Mon night). Wind will be generally light. | |||||||||||||||||
Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | |  | |  |  |  | | | | | |
light rain | rain shwrs | light rain | heavy rain | rain shwrs | mod. rain | light rain | light rain | mod. rain | mod. rain | rain shwrs | light snow | light snow | mod. snow | light snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 7 | 3 | 2 | 2 | 3 | |
1 | 0.8 | 4 | 12 | 0.3 | 9 | 3 | 0.5 | 6 | 8 | 3 | — | — | — | — | — | — | — | |
max °C | 6 | 7 | 9 | 7 | 7 | 7 | 6 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
min °C | 6 | 7 | 8 | 6 | 6 | 5 | 6 | 3 | 2 | 2 | 1 | -1 | 1 | 1 | -1 | 0 | 0 | -1 |
5 | 6 | 6 | 3 | 4 | 3 | 2 | 0 | -1 | 0 | -1 | -1 | -2 | -3 | -3 | -3 | -2 | -1 | |
1600 | 1800 | 2200 | 1700 | 1650 | 1450 | 1400 | 1150 | 1050 | 850 | 800 | 500 | 600 | 700 | 500 | 600 | 550 | 400 | |
Cloud base (m) | 650 | 550 | 600 | 550 | 500 | 1750 | 550 | 700 | 550 | 550 | 550 | 600 | 550 | 550 | 550 | 550 | 600 | 550 |
 | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 7:58 | — | — | 7:58 | — | — |
 | — | 4:22 | — | — | 4:23 | — | — | 4:24 | — | — | 4:27 | — | — | 4:28 | — | — | 4:29 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 37mm), heaviest during Sat morning. Mild temperatures (max 9°C on Fri night, min 2°C on Sun night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 11mm) on Mon morning. Becoming colder with heavy fall of snow, heaviest during Tue afternoon. Freeze-thaw conditions (max 2°C on Mon morning, min -1°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.